Description: The educational series of rock specimens, collected and distributed by the United States Geological survey

Main Author:	Diller, J. S. 1850-1928.
Other Authors:	Hill, Robert Thomas, 1858-1941., Knowlton, Frank Hall, 1860-1926.
Format:	Book
Language:	English
Published:	Washington, D.C. : Govt. Print. Off., 1898.
Physical Description:	3 volumes in 1 : illustrations, diagrams ; 24 cm.
Series:	Bulletin of the United States Geological Survey ; no. 150. Bulletin of the United States Geological Survey ; no. 151. Bulletin of the United States Geological Survey ; no. 152.
Subjects:	Petrology. Gryphaea. Paleontology -- Texas. Paleontology -- Cretaceous. Paleobotany -- North America. Paleobotany -- Cretaceous. Paleobotany -- Tertiary.

Item Description:	Bound with: The lower Cretaceous Gryphaeas of the Texas region / Robert Thomas Hill and Thomas Wayland Vaughan.--A catalogue of the Cretaceous and Tertiary plants of North America / Frank Hall Knowlton.
Physical Description:	3 volumes in 1 : illustrations, diagrams ; 24 cm.